Please read the instruction before order this product:
The Sherlock M1 Smart Lock comes as a smart sticker attached to the main lock and which can be controlled using an app. All that needs to be done is to affix the smart lock to the inside of the general anti-theft lock M1 and you can control the door through the Mi home app. There will be no need to make any changes to the anti-theft lock. After installing the gadget on the lock, the app can then be used to control the lock and this wouldn’t stop it from opening manually from the outside with a physical key. But there is an anti-lock mode where the door can only b unlocked using the app.
Net weight: 434g
Battery capacity: 3800mAh